diff --git a/CHANGES.md b/CHANGES.md
index dfa7ca8a..a13efad0 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -9,6 +9,10 @@ Notable changes between versions.
 * Change `controller_type` and `worker_type` default from t2.small to t3.small
   * t3.small is cheaper, provides 2 vCPU (instead of 1), and 5 Gbps of pod-to-pod bandwidth!
 
+#### Addons
+
+* Update Prometheus from v2.5.0 to v2.6.0
+
 ## v1.13.1
 
 * Kubernetes [v1.13.1](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.13.md#v1131)
diff --git a/addons/prometheus/deployment.yaml b/addons/prometheus/deployment.yaml
index faf9e5dd..36f03f89 100644
--- a/addons/prometheus/deployment.yaml
+++ b/addons/prometheus/deployment.yaml
@@ -20,7 +20,7 @@ spec:
       serviceAccountName: prometheus
       containers:
         - name: prometheus
-          image: quay.io/prometheus/prometheus:v2.5.0
+          image: quay.io/prometheus/prometheus:v2.6.0
           args:
             - --web.listen-address=0.0.0.0:9090
             - --config.file=/etc/prometheus/prometheus.yaml